A PROCESS FOR THE PREPARATION FROM 'SPENT SHOREA ROUBUSTA RESIN' OF A FRENCH POLISH FOR WOODEN FURNITURE WITHOUT USING ANY METHYLATED SPIRIT.

摘要

We claim: 1. A process for the preparation of a French polish by dissolving resin in an organic solvent characterised in that the resin consists of "spent Shore robusta resin" obtained as a by-product during the preparation of Canada Balsam substitute from the crude natural resin of Shorea robusta Gaertn. f. (fan). Dipterooarpaceae) further characterised in that the dissolving is done by refluxing over a water-bath in a 1 : I mixture of commercial benzene and n-Hexane.